(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
// 导出方式1：module.exports 默认直接导出
// 导出方式2：先定义再导出

let a = 12;
let b = 5;

let sum = () => {
    return a + b;
}

module.exports = {
    a,
    b,
    sum
};

// exports.a = a;
},{}],2:[function(require,module,exports){
//1. 先定义好，统一用module.exports 默认直接导出
let obj = require('./01-commonjs暴露模块');

console.log(obj);

console.log(obj.sum());
},{"./01-commonjs暴露模块":1}]},{},[2]);
